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-rw-r--r--arch/aarch64/atomic_arch.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/aarch64/atomic_arch.h b/arch/aarch64/atomic_arch.h
index 8ab68c1c..40fefc25 100644
--- a/arch/aarch64/atomic_arch.h
+++ b/arch/aarch64/atomic_arch.h
@@ -73,3 +73,10 @@ static inline int a_ctz_64(uint64_t x)
: "=r"(x) : "r"(x));
return x;
}
+
+#define a_clz_64 a_clz_64
+static inline int a_clz_64(uint64_t x)
+{
+ __asm__("clz %0, %1" : "=r"(x) : "r"(x));
+ return x;
+}